WO2009049610A2 - Dispositif de mesure destiné à déterminer l'état de fonctionnement d'un arbre, procédé et ensemble arbre muni du dispositif de mesure - Google Patents

Dispositif de mesure destiné à déterminer l'état de fonctionnement d'un arbre, procédé et ensemble arbre muni du dispositif de mesure Download PDF

Info

Publication number
WO2009049610A2
WO2009049610A2 PCT/DE2008/001693 DE2008001693W WO2009049610A2 WO 2009049610 A2 WO2009049610 A2 WO 2009049610A2 DE 2008001693 W DE2008001693 W DE 2008001693W WO 2009049610 A2 WO2009049610 A2 WO 2009049610A2
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
torque
signal
measuring device
operating state
Prior art date
Application number
PCT/DE2008/001693
Other languages
German (de)
English (en)
Other versions
WO2009049610A3 (fr
Inventor
Tobias Hagemann
Christian Schaaf
Original Assignee
Schaeffler Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Kg filed Critical Schaeffler Kg
Priority to EP08839450A priority Critical patent/EP2203730A2/fr
Priority to US12/738,410 priority patent/US20100282002A1/en
Publication of WO2009049610A2 publication Critical patent/WO2009049610A2/fr
Publication of WO2009049610A3 publication Critical patent/WO2009049610A3/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/104—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving permanent magnets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/08—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving optical means for indicating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/12—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving photoelectric means

Definitions

  • Measuring device for detecting the operating state of a shaft for detecting the operating state of a shaft, method and shaft arrangement with the measuring device
  • the invention relates to a measuring device for detecting the torque operating state of a shaft in the form of a torque, a torque change and / or an equivalent size with a signal generator which is rotatably connected to the shaft and / or connected to a signal receiver, which for detection is formed of the signal generator and outputs a measurement signal with a speed-dependent component as a function of the detection of the signal generator, and with an evaluation device for determining the torque operating state of the shaft based on and / or by evaluation of the measurement signal.
  • the invention further relates to a corresponding method for detecting a torque operating state of a shaft and a shaft arrangement with the measuring device.
  • the measurement of a torque or a torque change of a shaft during operation is often part of a monitoring of a manufacturing or working machine.
  • the knowledge of the torque is necessary to z. For example, it is possible to make estimates about work quality, load or wear of the respective machines.
  • the metrological determination of the torque is often carried out with a serially coupled intermediate member whose torsion is measured and converted over predetermined characteristics into a torque.
  • optical measuring methods are used, in which the displacement of two spaced apart from each other at an axial distance reference marks in the circumferential direction is detected metrologically.
  • Other measuring systems evaluate the torsion of the intermediate member with mechanical or magnetic measuring means.
  • the intermediate elements necessary for the measuring methods limit the applicability of this type of measuring method to shafts which transmit only small torques.
  • the distortion of the torque-loaded shaft is measured directly on the basis of different measuring methods.
  • the shaft is provided, for example with strain gauges (DMS), which detect the distortion.
  • DMS strain gauges
  • Methods are also known in which the change in a magnetic field is measured due to twisting of the shaft and a torque is derived therefrom. These methods evaluate path differences in a sub-millimeter range due to the twist and are therefore susceptible to interference due to the system in difficult operating environments such as soiling, heat and the like.
  • Common practice is to use the electric current of the drive motor of the shaft as a basis for calculating an estimate of a torque actually transmitted through the shaft.
  • the motor current or the motor power is offset with a speed of the shaft tapped off at any desired position, and from this a torque is estimated.
  • the latter solution is evaluated disadvantageously, as these too slow reaction times, inaccurate measurements and a constantly changing reference base should show.
  • it is proposed in the article, instead of determining the torque over the motor current, to apply a magnetic coding on the shaft and to determine the torque over the magnetic field changing due to the stress or distortion irrespective of the rotational speed or direction of rotation of the shaft.
  • the invention has for its object to provide a measuring device, a method and a shaft assembly with the measuring device, which allow a robust yet accurate detection of torque, a torque change and / or an equivalent size.
  • a measuring device for detecting a torque operating state of a shaft, wherein the torque operating state describes the torque transmitted via the shaft, or its change and / or a variable equivalent thereto.
  • the measuring device comprises a signal generator, which is rotatably connected to the shaft and / or connected, wherein the signal generator rotates during operation of the shaft with this.
  • the signal generator can be a separate component, which is fastened on or on the shaft in any desired manner.
  • the signal generator is realized as an integral and / or integral with the shaft component.
  • the signal generator can be designed in the most general definition for the output and / or change of any signal, in particular a magnetic, optical, electrical, electromagnetic, capacitive and / or inductive signal.
  • the measuring device further comprises a signal receiver, which is designed to detect the signal generator.
  • the signal receiver can be realized as a passive signal receiver, wherein a signal actively output by the signal generator is detected or as an active signal receiver, wherein the signal receiver sends a test signal to the signal generator, this modifies the test signal and the signal receiver then receives the modified test signal.
  • the signal receiver is designed in such a way that, depending on the detection of the signal generator, a measurement signal is output with a component which is dependent on the rotational speed of the shaft.
  • the measuring device shows an evaluation device which determines the torque operating state of the shaft on the basis of or by evaluation of the measurement signal.
  • the evaluation orientation is designed in terms of programming and / or circuitry so that the determination of the torque operating state is carried out and / or supplemented by analyzing signal components of the measuring signal with a cut-off frequency greater than the current rotational frequency.
  • the rotational frequency of the shaft is used as a slowly changing variable for determining the torque operating state, but the high-frequency components of the measurement signal for highly dynamic determination of the torque operating state of the shaft used.
  • the measurement signal is evaluated in such a way that the rotational speed and at least one further characteristic variable are determined from the measurement signal, wherein the further parameter is used to determine the torque operating state.
  • the parameter is designed in particular as a time-dependent information signal, wherein the information-carrying components of the information signal are located in a frequency range greater than the cutoff frequency.
  • the determination of the torque operating state is performed using a high-pass filtered measurement signal having a cut-off frequency greater than the current rotational frequency and / or the maximum rotational frequency of the shaft.
  • the measuring signal is preferably designed as a local and / or angular time signal, which provides a time-dependent location and / or angle information of the shaft.
  • the measurement signal can also be realized as a speed and / or acceleration signal.
  • a consideration of the invention is that precisely high-frequency torque changes can be detected by a change in the synchronous operation of the shaft, as long as the synchronization of the shaft is recorded sufficiently accurately by measurement. In turn, it is possible from the deviations of the synchronism of the shaft conclusions on the current torque and / or to draw an actual torque change and / or to an equivalent size to this.
  • the measuring device thus has the advantage of being able to measure the torque or the torque change of a shaft with high precision with a comparatively simple and therefore robust measuring structure.
  • the cutoff frequency is a multiple, preferably at least a tenfold, in particular a hundredfold, in particular a thousand times the rotational frequency and / or the maximum rotational frequency of the shaft.
  • the torque operating state of the shaft is determined using a further auxiliary variable, the further auxiliary variable being dependent on the current torque of the shaft.
  • a particularly preferred alternative for the auxiliary size is a variable proportional to the current and / or to the power and / or to the voltage of a motor driving the shaft and / or of a generator driven by the shaft.
  • the shaft driving unit is not designed as an electric motor, but for example as an internal combustion engine, for example, a speed, consumption or the like of the engine is used to form the further auxiliary size.
  • the latter has a plurality of coding features which can be distributed and / or distributed around the shaft in the direction of rotation.
  • more than 100 coding features are mounted on a shaft.
  • the coding features are each of the same design and / or arranged equidistantly in the direction of rotation.
  • the coding features are arranged in a common radial plane perpendicular to the axis of rotation of the shaft, so that they each also have the same axial position.
  • the signal generator or the coding features on a magnetic coding, which is detected by the signal receiver.
  • the magnetic coding is - for example compared to an optical see coding - even in harsh industrial environments very robust and prone to failure.
  • signal transmitter and signal receiver are designed as an incremental encoder device, which provides at least 10, preferably at least 100, in particular at least 1000 signals per revolution of the shaft.
  • the number of coding features corresponds to the number of signals.
  • Another object of the invention relates to a method for measuring a torque of a shaft having the features of claim 11, preferably using the measuring device described above.
  • a measuring signal is recorded with a speed-dependent component of the shaft and carried out by analyzing signal components of the measuring signal with a cut-off frequency greater than the current rotational frequency of the shaft, the determination of Drehmoment Suites- state and / or supplemented.
  • the determination of the torque operating condition is made using an auxiliary amount previously described.
  • Another object of the invention relates to a shaft arrangement, in particular in a rolling mill, for example for steel, in a printing unit, for example, for paper, in a wind turbine, for example, for the rotor, in a marine propulsion, for example, to drive the screw , with a drive shaft for driving a cylinder, generator, a screw or the like, wherein the drive shaft for the transmission of high power of more than 100 kW, in particular more than 1 MW and in particular more than 10 MW is formed and / or arranged , wherein the torque operating state with a measuring device as described above or is carried out with a corresponding measurement method.
  • the signal transmitter is arranged in or on a torque-loaded intermediate member.
  • the implementation ensures that the signal generator is not positioned on a free, unloaded shaft end.
  • the signal transmitter is arranged on an intermediate member in the kinematic chain between the torque generator and the torque consumer.
  • the torque generator is designed, for example, as a motor and the torque consumer as the rolls of the rolling mill or the printing unit.
  • the signal generator is mounted directly in front of the torque consumer, in particular on its input shaft.
  • the torque generator is powered by, for example, wind or hydro, or is designed as an internal combustion engine.
  • the torque consumer is designed as a generator, propeller, etc. In these embodiments, too, it is preferred that the signal generator is positioned in the region of the torque consumer.
  • the advantages of preferred embodiments of the invention are in particular that can be determined by the use of a high-precision speed measurement and a significant increase in the signal sampling torque operating conditions with an accuracy that could previously only be achieved, for example, by gauging enbasischen systems.
  • the invention is characterized by the advantages of a simple sensor technology, a simple application technique and a low economic outlay.
  • the speed sensor is positioned in the region of the torque load and in particular is not arranged on the torque-free shaft end of the motor shaft.
  • the invention makes use of the fact that damping effects determined by the measuring method, which result from the mechanics, are determined with the aid of analytical methods, such as transfer functions, state controllers, neural networks, fuzzy logic, etc., and implemented in the calculation of the torque.
  • FIG. 1 is a highly schematic block diagram of a measuring device for determining a torque operating state as a first embodiment of the invention
  • FIG. 2 shows a highly schematic representation of the signal generator
  • a shaft arrangement 1 shows in a highly schematic block diagram a shaft arrangement 1, which comprises a torque generator 2, such as an electric motor or combustion engine, at least one torque transmitting drive shaft 3 and a torque consumer 4, wherein a torque from the torque generator 2 via the drive shaft 3rd is transmitted to the torque consumer 4.
  • the torque consumer is designed, for example, as a rolling mill, pressure roll of a printing press, generator or the like.
  • a signal transmitter 5 is arranged on the drive shaft 3, which distributes a multiplicity of coding features 6 in the circumferential direction.
  • the coding features 6 are preferably designed as magnetic codings, the number of which in this embodiment preferably being more than 2000.
  • a signal receiver 7 For detecting the coding features 6 of the signal generator 5, a signal receiver 7 is set up, which scans the coding features 6 without contact. The signal receiver 7 generates a measurement signal from the scanning signals, which thus provides a time-dependent signal.
  • the measurement signal is transmitted to an evaluation device 8, which determines based on the high-frequency components, in particular components with frequencies greater than the rotational frequency of the drive shaft 3, a torque and / or a torque change in the transmission of the drive shaft 3.
  • 2 power signals are transmitted as an auxiliary variable of the torque generator, which can be formed, for example, in an electric motor as current and / or voltage signals and in an internal combustion engine as speed or consumption.
  • a possible alternative embodiment is to detect slowly changing components of the torque via the change in the performance data of the torque generator 2 and to determine faster changes in the torque via the evaluation of the high-frequency measurement signal. To determine the rapid changes, for example, the time intervals of two successive increments, the shape or the edge steepness of the individual pulses of the increments are evaluated.
  • FIG. 2 shows in a highly schematized manner a possible embodiment of the transmitter-receiver region in the shaft arrangement in FIG. 1.
  • the coding features 6 are designed as magnetic codings in strip form with axial alignment. To ensure trouble-free detection of the coding features by the signal receiver, the strips are spaced in the circumferential direction at a distance of 5 mm to 10 mm. In order nevertheless to obtain a sufficiently high number of signals per revolution, a plurality of signal receivers 7 are arranged in the direction of rotation and axially offset from one another, so that each coding feature 6 is read several times per revolution, in this example four times.

Abstract

Le but de l'invention est de proposer un dispositif de mesure, un procédé et un ensemble arbre muni du dispositif de mesure, permettant une mesure à la fois robuste et précise du couple de rotation, d'une variation de couple de rotation et/ou d'une grandeur équivalente. Selon l'invention, un dispositif de mesure, destiné à déterminer l'état de fonctionnement d'un arbre (3) sous la forme d'un couple de rotation, d'une variation de couple de rotation et/ou d'une grandeur équivalente, comprend un émetteur de signaux (5) solidaire en rotation de l'arbre (3) et/ou pouvant être solidarisé en rotation audit arbre, un récepteur de signaux (7), conçu pour détecter l'émetteur de signaux et pour délivrer, en fonction de la détection de l'émetteur de signaux, un signal de mesure présentant une composante dépendant de la vitesse de rotation, ainsi qu'un dispositif d'évaluation (8) prévu pour déterminer l'état de fonctionnement de l'arbre (3) sur la base et/ou par évaluation du signal de mesure. Selon l'invention, le dispositif d'évaluation (8) est conçu pour effectuer et/ou compléter la détermination de l'état de fonctionnement par analyse de composantes du signal de mesure avec une fréquence limite supérieure à la fréquence de rotation actuelle de l'arbre.
PCT/DE2008/001693 2007-10-17 2008-10-16 Dispositif de mesure destiné à déterminer l'état de fonctionnement d'un arbre, procédé et ensemble arbre muni du dispositif de mesure WO2009049610A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08839450A EP2203730A2 (fr) 2007-10-17 2008-10-16 Dispositif de mesure destiné à déterminer l'état de fonctionnement d'un arbre, procédé et ensemble arbre muni du dispositif de mesure
US12/738,410 US20100282002A1 (en) 2007-10-17 2008-10-16 Measuring device for detecting the operating state of a shaft, method and shaft arrangement comprising said measuring device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007049672.0 2007-10-17
DE102007049672A DE102007049672A1 (de) 2007-10-17 2007-10-17 Messvorrichtung zur Erfassung des Betriebszustands einer Welle, Verfahren sowie Wellenanordnung mit der Messvorrichtung

Publications (2)

Publication Number Publication Date
WO2009049610A2 true WO2009049610A2 (fr) 2009-04-23
WO2009049610A3 WO2009049610A3 (fr) 2009-07-02

Family

ID=40458761

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/001693 WO2009049610A2 (fr) 2007-10-17 2008-10-16 Dispositif de mesure destiné à déterminer l'état de fonctionnement d'un arbre, procédé et ensemble arbre muni du dispositif de mesure

Country Status (4)

Country Link
US (1) US20100282002A1 (fr)
EP (1) EP2203730A2 (fr)
DE (1) DE102007049672A1 (fr)
WO (1) WO2009049610A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011017717A1 (de) * 2011-04-28 2012-10-31 Zf Friedrichshafen Ag Verfahren zur Korrektur eines Antriebsaggregatmoments
US20170370787A1 (en) * 2016-06-28 2017-12-28 Siemens Energy, Inc. Torsional Measurements Using an Optical non Contact Method
DE102017112343A1 (de) 2017-06-06 2018-12-06 Schaeffler Technologies AG & Co. KG Vorrichtung und Verfahren zur Zustandsüberwachung einer Elastomerkupplung oder eines Zweimassenschwungrades
DE102017220029B4 (de) * 2017-11-10 2023-05-11 Zf Friedrichshafen Ag Verfahren zum Betreiben einer Arbeitsmaschine mit einer Drehmomentmesseinrichtung
DE102018102202A1 (de) 2018-02-01 2019-08-01 Schaeffler Technologies AG & Co. KG Vorrichtung und Verfahren zur Zustandsüberwachung einer Elastomerkupplung oder eines Zweimassenschwungrades oder eines Torsionsdämpfers
CN114646414A (zh) * 2022-04-08 2022-06-21 三一重能股份有限公司 风机主轴扭矩测量装置的安装结构、安装方法及风电机组

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783998A (en) * 1984-07-06 1988-11-15 Dme - Danish Micro Engineering A/S Method of monitoring the operation of a cyclically moving, power generating or power transmitting element and an apparatus for monitoring the operation of such an element
US5412999A (en) * 1993-02-26 1995-05-09 Sensorteck L.P. Position sensing with magnetostrictive stress sensor
US5902934A (en) * 1990-12-10 1999-05-11 Sensortech, L.P. Phase magnitude signal detector

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310767A (en) * 1979-04-11 1982-01-12 Wyle Laboratories Data interface between rotating and nonrotating members
US4742332A (en) * 1987-04-10 1988-05-03 General Motors Corporation Magnetic shaft angle encoder
KR890000890A (ko) * 1987-06-22 1989-03-17 미타 가츠시게 토크검출장치
JPH04348239A (ja) * 1991-03-25 1992-12-03 Mazda Motor Corp トルク・回転センサ
US5501105A (en) * 1991-10-02 1996-03-26 Monitoring Technology Corp. Digital signal processing of encoder signals to detect resonances in rotating machines
US5365787A (en) * 1991-10-02 1994-11-22 Monitoring Technology Corp. Noninvasive method and apparatus for determining resonance information for rotating machinery components and for anticipating component failure from changes therein
US5678144A (en) * 1994-10-11 1997-10-14 Konica Corporation Image forming apparatus having a rotational information detector for a photoreceptor
DE19739104C2 (de) * 1997-09-06 2000-12-21 Trw Automotive Safety Sys Gmbh Lenkvorrichtung mit Meßwertgeber
JP4183370B2 (ja) * 2000-07-07 2008-11-19 株式会社東芝 トルク計測装置
DK1339465T3 (da) * 2000-11-10 2010-06-14 Richard M Weiss Fremgangsmåde og apparat til måling og orientering af et golfkølleskaft
US6725734B1 (en) * 2001-07-25 2004-04-27 The Furukawa Electric Co., Ltd. Rotation sensor
DE10333397B4 (de) * 2003-07-16 2005-06-30 Minebea Co., Ltd. Drehmoment-Meßvorrichtung für Elektromotoren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783998A (en) * 1984-07-06 1988-11-15 Dme - Danish Micro Engineering A/S Method of monitoring the operation of a cyclically moving, power generating or power transmitting element and an apparatus for monitoring the operation of such an element
US5902934A (en) * 1990-12-10 1999-05-11 Sensortech, L.P. Phase magnitude signal detector
US5412999A (en) * 1993-02-26 1995-05-09 Sensorteck L.P. Position sensing with magnetostrictive stress sensor

Also Published As

Publication number Publication date
EP2203730A2 (fr) 2010-07-07
DE102007049672A1 (de) 2009-04-23
US20100282002A1 (en) 2010-11-11
WO2009049610A3 (fr) 2009-07-02

Similar Documents

Publication Publication Date Title
DE10017572B4 (de) Wälzlager mit fernabfragbaren Erfassungseinheiten
DE102015122154B4 (de) Vorrichtung zur Feststellung externer magnetischer Streufelder auf einen Magnetfeldsensor
WO2009049610A2 (fr) Dispositif de mesure destiné à déterminer l'état de fonctionnement d'un arbre, procédé et ensemble arbre muni du dispositif de mesure
EP3029427B1 (fr) Dispositif et algorithme destines a la determination d'angle mecanique radial absolu d'un arbre
EP2103379A1 (fr) Système de mesure de force intégré au mandrin
EP3581328B1 (fr) Unité de machine-outil à contrôle du voile et procédé de vérification de l'état de serrage
EP3215810B1 (fr) Procédé d'étalonnage d'un dispositif de mesure de trajet absolu d'un actionneur à broche destiné à une unité de transmission hydraulique, procédé de commande de la position d'un écrou de broche d'un actionneur à broche pour unité de transmission hydraulique et actionneur à broche pour unité de transmission hydraulique
EP2929297A1 (fr) Dispositif à capteur pour la détermination d'au moins une propriété de rotation d'un élément en rotation
DE3224980C2 (de) Selbsttätig arbeitendes Zahnradprüfgerät
EP0074416B1 (fr) Dispositif et procédé pour reporter l'angle du balourd mesuré sur le circonférence d'un corps à rotation
DE102013207621B4 (de) Winkelmessung, insbesondere berührungslos, mit Einzelsensoren
WO2011026616A1 (fr) Dispositif pour mesurer et/ou enregistrer des distances et des variations de distance et dispositif pour mesurer et/ou enregistrer des contraintes mécaniques
EP0634007B1 (fr) Dispositif pour mesurer le couple dans un engrenage afin de transmettre un mouvement rotatif
EP2436949A1 (fr) Engrenage épicycloïdal pour une éolienne ou des applications industrielles
EP1623237A1 (fr) Procede et dispositif de determination du sens de deplacement d'un composant de palier a roulement
DE102019105055B4 (de) Motorwellenanordnung, Brennkraftmaschine
EP3810917B1 (fr) Procédé de fonctionnement d'une machine à piston et machine à piston
EP2853857B1 (fr) Procédé de mesure de l'élargissement d'un rotor rotatif
DE19732124C2 (de) Verfahren zum Prüfen eines Zahnrades sowie einer Zahnstange und Vorrichtung zum Prüfen eines Zahnrades
DE102009042310A1 (de) Anordnung und Verfahren zur Drehmomentbestimmung an einer Welle
EP0457086A2 (fr) Mesure sans contact de propagation du couple locale sur des machines à vis sans fin
DE102009009714A1 (de) Vorrichtung und Verfahren zur Drehmomentmessung an einer Turbinenwelle
DE102014205291A1 (de) Verfahren zum Ermitteln der axialen Position des Sensorkopfes eines magnetoelastischen Sensors in Bezug auf eine rotierende Welle
DE102015120263B4 (de) Verfahren zur Verschleißbestimmung, Messgerät, Steuervorrichtung dazu sowie Antriebsvorrichtung umfassend die Steuervorrichtung
EP2104784A2 (fr) Procédé pour déterminer une valeur de vitesse de rotation

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08839450

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 2008839450

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 12738410

Country of ref document: US